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Do tensile and shear forces exerted on cells influence mechanotransduction through stored energy considerations?

BIOCELL 2024年第4期48卷 525-540页

作者： FREDERICK H.SILVER TANMAY DESHMUKH Department of Pathology and Laboratory Medicine Robert Wood Johnson Medical SchoolRutgersThe State University of New JerseyPiscatawayNJ 08854USA OptoVibronex LLC.Ben Franklin Tech PartnersBethlehemPA 18015USA

All tissues in the body are subjected externally to gravity and internally by collagenﬁbril and cellular retractive forces that create stress and energy equilibrium required for *** involves mechanical work(force through a distance)and energy storage as kinetic and potential *** leads to changes in cell mitosis or apoptosis and the synthesis or loss of tissue *** involves the application of energy directly to cells through integrin-mediated processes,cell-cell connections,stretching of the cell cytoplasm,and activation of the cell nucleus via yes-associated protein(YAP)and transcriptional coactivator with PDZ-motif(TAZ).These processes involve numerous complexes,intermediate molecules,and multiple *** pathways have been identiﬁed from research studies on vertebrate cell culture and from studies in *** pathways involve mechanosensors and other molecules that activate the *** review discusses the mitogen-activated protein kinase(MAPK)family,Hippo,Hedgehog,and Wingless-related integration site(WNT)/βcatenin signaling *** mediators covered includeβcatenin,ion channels,growth factors,hormone receptors,members of the Ras superfamily,and components of the linker of nucleoskeleton and cytoskeleton(LINC)***,the interrelationship among the different pathways remains to be clariﬁ***-mediated mechanotransduction involves direct tensile loading and energy applied to the cell membrane via collagenﬁbril *** energy is transferred between cells by stretching the cell-cell connections involving cadherins and the WNT/βcatenin *** alterations induce changes in intracellular events in the cytoskeleton and nuclear skeleton caused by the release of YAP and *** coactivators then penetrate through the nuclear pores and inﬂuence nuclear cell *** in the balance of forces and energy applied to cells and tissues is hypothesized to shift th

关键词： MAPK family Hippo Hedgehog WNT pathway βcatenin Ion channels Growth factor receptors Hormone receptors Ras superfamily LINC complex Collagen Cadherins

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The relation between funding by the National Institutes of Health and the burden of disease

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四川生理科学杂志 2024年第4期46卷 83-83页

作者： Gross CP robert wood johnson Clinical Scholars Program Johns Hopkins University School of Medicine Baltimore USA

Background:The Institute of Medicine has proposed that the amount of disease-specific research funding provided by the National Institutes of Health(NIH)be systematically and consistently compared with the burden of disease for ***:We performed a cross-sectional study comparing estimates of disease-specific funding in 1996 with data on six measures of the burden of disease.

关键词： funding burden relation

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Evaluating the Efficacy of Cervical Tactile Ultrasound Technique as a Predictive Tool for Spontaneous Preterm Birth

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Open Journal of Obstetrics and Gynecology 2024年第5期14卷 832-846页

作者： Vladimir Egorov Todd Rosen Jennifer Hill Meena Khandelwal Victors Kurtenoks Brendan Francy Noune Sarvazyan Advanced Tactile Imaging Inc. Ewing New Jersey USA Department of Obstetrics Gynecology and Reproductive Sciences Rutgers Robert Wood Johnson Medical School New Brunswick New Jersey USA Department of Maternal-Fetal Medicine Cooper Medical School of Rowan University Camden New Jersey USA

Background: Premature cervical softening and shortening may be considered an early mechanical failure that predispose to preterm birth. Purpose: This study aims to explore the applicability of an innovative cervical tactile ultrasound approach for predicting spontaneous preterm birth (sPTB). Materials and Methods: Eligible participants were women with low-risk singleton pregnancies in their second trimester, enrolled in this prospective observational study. A Cervix Monitor (CM) device was designed with a vaginal probe comprising four tactile sensors and a single ultrasound transducer operating at 5 MHz. The probe enabled the application of controllable pressure to the external cervical surface, facilitating the acquisition of stress-strain data from both anterior and posterior cervical sectors. Gestational age at delivery was recorded and compared against cervical elasticity. Results: CM examination data were analyzed for 127 women at 240/7 - 286/7 gestational weeks. sPTB was observed in 6.3% of the cases. The preterm group exhibited a lower average cervical stress-to-strain ratio (elasticity) of 0.70 ± 0.26 kPa/mm compared to the term group’s 1.63 ± 0.65 kPa/mm with a p-value of 1.1 × 10−4. Diagnostic accuracy for predicting spontaneous preterm birth based solely on cervical elasticity data was found to be 95.0% (95% CI, 88.5 - 100.0). Conclusion: These findings suggest that measuring cervical elasticity with the designed tactile ultrasound probe has the potential to predict spontaneous preterm birth in a cost-effective manner.

关键词： Cervical Elasticity Spontaneous Preterm Birth Tactile Ultrasound Probe

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Neonatal Direct Rigid Laryngoscopy and Bronchoscopy: A Near Miss

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Open Journal of Anesthesiology 2024年第4期14卷 126-130页

作者： Dennis E. Feierman Mark Kronenfeld Jacob Sutton Gil Zoizner Evan P. Salant Department of Anesthesiology Maimonides Medical Center New York USA Rutgers robert wood johnson University Hospital New Brunswick USA Meir Hospital Clalit Health Services Kefar Sava Israel

Airway management is a skill necessary for healthcare providers who manage patients. Intubation is a skill that both anesthesiologists and intensivists use daily. We present a case of a neonate that developed significant worsening stridor after a successful intubation for a hernia repair. After 4 intubation attempts, with easy visualization of the vocal cords and unsuccessful placement of the endotracheal tube, the patient was emergently brought to the operating room for evaluation.

关键词： Neonate Direct Laryngoscopy Intubation

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Bioinspired nanomaterials for the treatment of bacterial infections

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Nano Research 2024年第2期17卷 691-714页

作者： Xiaojing Ma Wenjing Tang Rong Yang robert F.Smith school of Chemical&Biomolecular Engineering Cornell UniversityIthacaNY 14853USA

Infectious diseases pose a serious threat to global *** immunizations can control most viral infections,bacterial infections,particularly those caused by drug-resistant strains,continue to cause high rates of illness and ***,the creation of new antibiotics has come to a grinding halt in the last ten *** response to this crisis,nanotechnology has emerged as a hopeful solution to tackle drug resistance and enhance treatment results.A large variety of biomimetic nanomaterials,termed nanozymes,have demonstrated strong antimicrobial *** the inherent toxicity of nanomaterials is a concern,recent studies have harnessed the stimuli-responsiveness of nanomaterials to enable local and/or targeted delivery to reduce the treatment side ***,the physicochemical versatility of nanomaterials affords many degrees of freedom that enable rational design of smart or autonomous therapeutics,which cannot be achieved using conventional *** design straddles the fields of catalysis,nanoscience,microbiology,and translational *** provide an overview of this interdisciplinary landscape,this review is organized based on composition into lipid,metal,metal oxide,and non-metallic *** as a delivery vehicle enhance bioavailability and reduce ***-and metal oxide-based nanomaterials inhibit bacterial growth by mimicking natural enzymatic activities such as peroxidase(POD)and ***,carbon-,polymer-,and cell membrane-based nanomaterials are combined into a discussion on non-metallic *** the end of this review,potentially fruitful directions for future bioinspired nanomaterials in infectious disease treatment are included.

关键词： bioinspired nanomaterial bacteria infectious disease antimicrobial liposome nanozyme

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Predicting short-term thromboembolic risk following Roux-en-Y gastric bypass using supervised machine learning

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World Journal of Gastrointestinal Surgery 2024年第4期16卷 1097-1108页

作者： Hassam Ali Faisal Inayat Vishali Moond Ahtshamullah Chaudhry Arslan Afzal Zauraiz Anjum Hamza Tahir Muhammad Sajeel Anwar Dushyant Singh Dahiya Muhammad Sohaib Afzal Gul Nawaz Amir H Sohail Muhammad Aziz Department of Gastroenterology East Carolina University Brody School of MedicineGreenvilleNC 27834United States Department of Internal Medicine Allama Iqbal Medical CollegeLahorePunjab 54550Pakistan Department of Internal Medicine Saint Peter's University Hospital and Robert Wood Johnson Medical SchoolNew BrunswickNJ 08901United States Department of Internal Medicine St.Dominic's HospitalJacksonMS 39216United States Department of Internal Medicine Rochester General HospitalRochesterNY 14621United States Department of Internal Medicine Jefferson Einstein HospitalPhiladelphiaPA 19141United States Department of Internal Medicine UHS Wilson Medical CenterJohnsonNY 13790United States Division of Gastroenterology Hepatology and MotilityThe University of Kansas School of MedicineKansasKS 66160United States Department of Internal Medicine Louisiana State University HealthShreveportLA 71103United States Department of Surgery University of New Mexico School of MedicineAlbuquerqueNM 87106United States Department of Gastroenterology and Hepatology The University of ToledoToledoOH 43606United States

BACKGROUND Roux-en-Y gastric bypass(RYGB)is a widely recognized bariatric procedure that is particularly beneficial for patients with class III *** aids in significant weight loss and improves obesity-related medical *** its effectiveness,postoperative care still has *** evidence shows that venous thromboembolism(VTE)is a leading cause of 30-d morbidity and mortality after ***,a clear unmet need exists for a tailored risk assessment tool for VTE in RYGB *** To develop and internally validate a scoring system determining the individualized risk of 30-d VTE in patients undergoing *** Using the 2016–2021 Metabolic and Bariatric Surgery Accreditation Quality Improvement Program,data from 6526 patients(body mass index≥40 kg/m^(2))who underwent RYGB were analyzed.A backward elimination multivariate analysis identified predictors of VTE characterized by pulmonary embolism and/or deep venous thrombosis within 30 d of *** resultant risk scores were derived from the coefficients of statistically significant *** performance of the model was evaluated using receiver operating curves through 5-fold *** Of the 26 initial variables,six predictors were *** included a history of chronic obstructive pulmonary disease with a regression coefficient(Coef)of 2.54(P7%(Coef 1.19,P<0.001),venous stasis history(Coef 1.43,P<0.001),and preoperative anticoagulation use(Coef 1.24,P<0.001).These variables were weighted according to their regression coefficients in an algorithm that was generated for the model predicting 30-d VTE risk *** risk model's area under the curve(AUC)was 0.79[95%confidence interval(CI):0.63-0.81],showing good discriminatory power,achieving a sensitivity of 0.60 and a specificity of *** training,the same model performed satisfactorily

关键词： Roux-en-Y gastric bypass Venous thromboembolism Machine learning Bariatric surgery Predictive modeling

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A review of data-driven whole-life state of health prediction for lithium-ion batteries:Data preprocessing, aging characteristics, algorithms, and future challenges

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Journal of Energy Chemistry 2024年第10期97卷 630-649页

作者： Yanxin Xie Shunli Wang Gexiang Zhang Paul Takyi-Aninakwa Carlos Fernandez Frede Blaabjerg school of Information Engineering Southwest University of Science and Technology College of Electric Power Inner Mongolia University of Technology school of Pharmacy and Life Sciences Robert Gordon University Department of Energy Technology Aalborg University

Lithium-ion batteries are the preferred green energy storage method and are equipped with intelligent battery management systems(BMSs) that efficiently manage the *** not only ensures the safety performance of the batteries but also significantly improves their efficiency and reduces their damage *** their whole life cycle,lithium-ion batteries undergo aging and performance degradation due to diverse external environments and irregular degradation of internal *** degradation is reflected in the state of health(SOH) ***,this review offers the first comprehensive analysis of battery SOH estimation strategies across the entire lifecycle over the past five years,highlighting common research focuses rooted in data-driven *** delves into various dimensions such as dataset integration and preprocessing,health feature parameter extraction,and the construction of SOH estimation *** approaches unearth hidden insights within data,addressing the inherent tension between computational complexity and estimation *** enha nce support for in-vehicle implementation,cloud computing,and the echelon technologies of battery recycling,remanufacturing,and reuse,as well as to offer insights into these technologies,a segmented management approach will be introduced in the *** will encompass source domain data processing,multi-feature factor reconfiguration,hybrid drive modeling,parameter correction mechanisms,and fulltime health *** on the best SOH estimation outcomes,health strategies tailored to different stages can be devised in the future,leading to the establishment of a comprehensive SOH assessment *** will mitigate cross-domain distribution disparities and facilitate adaptation to a broader array of dynamic operation *** article reviews the current research landscape from four perspectives and discusses the challenges that lie *** and practitioners can ga

关键词： Aging mechanism Battery management system Data-driven approach Lithium-ion batteries State of health Whole life cycle

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Pathogenesis and clinical spectrum of primary sclerosing cholangitis

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World Journal of Gastroenterology 2017年第14期23卷 2459-2469页

作者： Neelam G Gidwaney Swati Pawa Kiron M Das Division of Gastroenterology and Hepatology Rutgers-Robert Wood Johnson Medical School

Primary sclerosing cholangitis(PSC) is a disease of the biliary tract, which has been documented in the literature since 1867. This disease has a strong predilection for affecting men and can be seen in individuals as young as 2 years of age. PSC has a strong associated with inflammatory bowel disease, more commonly with ulcerative colitis, and is also part of the clinical spectrum of Ig G4-related diseases. Smallduct PSC, a variant of PSC, also has an association with inflammatory bowel disease. The exact pathogenesis of PSC is not well understood at present, however, is likely a combination of a genetic predisposition with alteration of the molecular structure of the gut. Abnormal serum liver chemistry and presence of certain autoimmune markers are usually the first indicators leading to a diagnosis of PCS, however, these may often be normal in early stages of this disease. The diagnosis is made by cholangiography, which is now considered the gold standard. PSC is a known pre-malignant condition. Such patients have an increased risk of developing cholangiocarcinoma, gallbladder neoplasia, and colon cancer. Many new treatment modalities have emerged in the recent past, including anti-tumor necrosis factor-α and anti-integrins; however, liver transplantation is the only known cure for PSC. Despite past and present research, PSC remains an enigmatic biliary disease with few viable treatment options.

关键词： Primary sclerosing cholangitis Cholestasis Inflammatory bowel disease Autoimmune Gallbladder neoplasia Cholangiocarcinoma IgG4 related disease Colon cancer Liver transplant

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Improving the hydrostability of zeolitic imidazolate framework coatings using a facile silk fibroin protein modification method

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Nano Research 2024年第7期17卷 6247-6257页

作者： Xiuming Wei Ting Chen Siyu Chen Qian Jia Nurul Ain Mazlan Allana Lewis Norbert Radacsi Yi Huang school of Engineering Institute for Materials&ProcessesThe University of EdinburghRobert Stevenson RoadEdinburghEH93FBUK EASTCHEM school of Chemistry The University of St AndrewsPurdie BuildingNorth HaughSt AndrewsKY169STUK

Zeolitic imidazolate frameworks(ZIFs)are an important subclass of metal-organic frameworks(MOFs)with zeolite-type topology,which can be fabricated under ambient synthesis ***,the applications of ZIFs are commonly limited due to the weak hydrostability of their metal–ligand coordination bonds,particularly under humid and aqueous *** this work,as an example,the hydrolysis behaviours of ZIF-L with a special focus on ZIF-L coatings were tested at aqueous conditions with a wide range of pHs to systematically study and fundamentally understand their structural stability and degradation *** ZIF-L powder and ZIF-L coatings were severely damaged after only 24 h in aqueous ***,the ZIF-L coatings showed two distinct hydrolyzation pathways regardless of pH conditions,exhibiting either a ring-shaped etching or unfolding *** the ZIF-L powders were hydrolyzed almost identically across all pH *** this new understanding,a facile silk fibroin(SF)protein modification method was developed to enhance the hydrostability of ZIF-L coatings in aqueous *** effect of protein concentration on surface coating was systemically ***-L coating retained its surface morphology after soaking in water and demonstrated switchable super wetting properties and superior separation performance for oil/water *** a result,the quick SF protein modification significantly enhanced the stability of ZIF-L coatings under various pHs,while retaining their switchable wetting property and excellent separation performance.

关键词： zeolitic imidazole framework-L(ZIF-L) ZIF-L coatings silk fibroin protein hydrostability enhancement oil/water separation

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Social network learning efficiency in the principal-agent relationship

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Journal of Management Science and Engineering 2024年第2期9卷 193-219页

作者： Chuan Ding Yilin Hong Yang Li Peng Liu school of Mathematics Southwestern University of Finance and EconomicsChengdu611130China S.C.johnson College of Business Cornell UniversityIthacaNY14853USA

Under the bounded rationality assumption,a principal rarely provides an optimal contract to an *** from others is one way to improve such a *** paper studies the efficiency of social network learning(SNL)in the principal–agent *** first introduce the Cobb-Douglas production function into the classic Holmstrom and Milgrom(1987)model with a constant relative risk-averse agent and work out the theoretically optimal *** are then designed to model the SNL process based on profit gaps between contracts in a network of *** the uncertainty of the agent's labor output,we find that the principals can reach a consensus that tends to result in overcompensation compared to the optimal ***,this study examines how network attributes and model parameters impact learning efficiency and posits several summative *** simulation results validate these hypotheses,and we discuss the relevant economic implications of the observed changes in SNL efficiency.

关键词： Simulation Social network learning Principaleagent Reaching consensus Learning efficiency

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